Spatie\Backup\Tasks\Monitor\BackupDestinationStatus::amountOfBackups PHP Method

    public function amountOfBackups() : int
    {
        return $this->backupDestination->backups()->count();
    }

 public function convertToRow(BackupDestinationStatus $backupDestinationStatus) : array
 {
     $row = [$backupDestinationStatus->backupName(), $backupDestinationStatus->diskName(), Format::emoji($backupDestinationStatus->isReachable()), Format::emoji($backupDestinationStatus->isHealthy()), 'amount' => $backupDestinationStatus->amountOfBackups(), 'newest' => $backupDestinationStatus->dateOfNewestBackup() ? Format::ageInDays($backupDestinationStatus->dateOfNewestBackup()) : 'No backups present', 'usedStorage' => $backupDestinationStatus->humanReadableUsedStorage()];
     if (!$backupDestinationStatus->isReachable()) {
         foreach (['amount', 'newest', 'usedStorage'] as $propertyName) {
             $row[$propertyName] = '/';
         }
     }
     $row = $this->applyStylingToRow($row, $backupDestinationStatus);
     return $row;
 }